Which of these polynomials has a zero of multiplicity 3 at z = 1? a. p(r) = xª + 5x³ + 5x² – 5x – 6 b. p(x) = x* – 2r³ – 3x² + 8x – 4 c. p(x) = x* +x³ – 9z² + 11x – 4 d. p(x) = rª – 4r³ + 6x² – 4x +1

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Which of these polynomials has a zero of multiplicity 3 at x=1?

Which of these polynomials has a zero of multiplicity 3 at r = 1?
a. p(x) = xª + 5æ³ + 5x² – 5x – 6
b. p(x) = xª – 2r³ – 3x² + 8x – 4
c. p(x) = x* + r³ – 9x² + 11x – 4
d. p(x) = xª – 4a³ + 6x² – 4x +1
Transcribed Image Text:Which of these polynomials has a zero of multiplicity 3 at r = 1? a. p(x) = xª + 5æ³ + 5x² – 5x – 6 b. p(x) = xª – 2r³ – 3x² + 8x – 4 c. p(x) = x* + r³ – 9x² + 11x – 4 d. p(x) = xª – 4a³ + 6x² – 4x +1
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